On 9/30/24 10:52, Jamin Lin wrote:
> Add GPIO model for AST2700 GPIO support. The GPIO controller registers base
> address is start at 0x14C0_B000 and its address space is 0x1000.
>
> Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Thanks,
C.
> ---
> hw/arm/aspeed_ast27x0.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
> index 99135edc1e..dca660eb6b 100644
> --- a/hw/arm/aspeed_ast27x0.c
> +++ b/hw/arm/aspeed_ast27x0.c
> @@ -62,6 +62,7 @@ static const hwaddr aspeed_soc_ast2700_memmap[] = {
> [ASPEED_GIC_REDIST] = 0x12280000,
> [ASPEED_DEV_ADC] = 0x14C00000,
> [ASPEED_DEV_I2C] = 0x14C0F000,
> + [ASPEED_DEV_GPIO] = 0x14C0B000,
> };
>
> #define AST2700_MAX_IRQ 288
> @@ -372,6 +373,9 @@ static void aspeed_soc_ast2700_init(Object *obj)
>
> snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
> object_initialize_child(obj, "i2c", &s->i2c, typename);
> +
> + snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
> + object_initialize_child(obj, "gpio", &s->gpio, typename);
> }
>
> /*
> @@ -657,6 +661,15 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
> sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
> }
>
> + /* GPIO */
> + if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
> + return;
> + }
> + aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio), 0,
> + sc->memmap[ASPEED_DEV_GPIO]);
> + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
> + aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
> +
> create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
> create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
> create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);